Session Initiation Protocol (SIP) Authenticated Identity Body (AIB) Format, September 2004
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RFC 3261 introduces the concept of adding an S/MIME body to a Session Initiation Protocol (SIP) request or response in order to provide reference integrity over its headers. This document provides a more specific mechanism to derive integrity and authentication properties from an 'authenticated identity body', a digitally-signed SIP message, or message fragment. A standard format for such bodies (known as Authenticated Identity Bodies, or AIBs) is given in this document. Some considerations for the processing of AIBs by recipients of SIP messages with such bodies are also given. [STANDARDS-TRACK]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.